Fundraising FoxByggr
San Francisco, US · Founded 2024 · Delaware corporation
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Rosetic is a development platform that combines LLM agents for interpreting specifications with a proprietary Deterministic Language Model (DLM) to generate production-grade code with unit tests, infrastructure, and documentation. It targets professional software engineers, enterprises, and services firms seeking predictable, compliant, and maintainable software over probabilistic LLM-only code generation.
Founders & leadership
Byggr was founded in 2024 by Björn Stansvik.
BS
Björn StansvikCEO & Co-FounderBjörn Stansvik is CEO and co-founder of Rosetic (formerly Byggr), a development platform that uses LLM agents and a proprietary Deterministic Language Model to generate production-grade code. Previously, he founded and grew MentorMate from scratch to 1,100 employees across 40 countries over two decades, which was acquired in 2014 by Taylor Corporation and exited in 2023 to Tietoevry.
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Anthony LaxenExecutive
Board
MR
Mark RobinsonBoard director
CC
Christopher ChartrandBoard director
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Terry BenzelBoard director
Reported raises · per SEC filings
Form D private placements$750K disclosed across 1 round · 2025
▶$750KraisedMar 2025 · 4 investors · Other TechnologyRule 506(b)
▶$750KraisedMar 2025 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Anthony LaxenExecutive Officer
- Mark RobinsonDirector
- Bjorn StansvikExecutive Officer, Director
- Christopher ChartrandDirector
- Terry BenzelDirector
- Amount sold
- $750K
- Minimum investment
- $10K
- Proceeds to insiders
- $200K
- First sale
- Feb 2025
- Incorporated
- Corporation, Delaware, 2024
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Byggr do?
- Rosetic is a development platform that combines LLM agents for interpreting specifications with a proprietary Deterministic Language Model (DLM) to generate production-grade code with unit tests, infrastructure, and documentation. It targets professional software engineers, enterprises, and services firms seeking predictable, compliant, and maintainable software over probabilistic LLM-only code generation.
- Who founded Byggr?
- Byggr was founded by Björn Stansvik in 2024.
- How much funding has Byggr raised?
- Byggr has disclosed $750K raised across 1 round.
- Where is Byggr headquartered?
- Byggr is headquartered in San Francisco, US.